205371009

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{2069}}^1$

素因数の和:2385

約数の個数: 24

約数和(自身を含む): 305159400

約数和(自身を除く): 99788391

約数列:

[1, 3, 9, 41, 123, 269, 369, 807, 2069, 2421, 6207, 11029, 18621, 33087, 84829, 99261, 254487, 556561, 763461, 1669683, 5009049, 22819001, 68457003, 205371009]

約数ペア:

[(1, 205371009), (3, 68457003), (9, 22819001), (41, 5009049), (123, 1669683), (269, 763461), (369, 556561), (807, 254487), (2069, 99261), (2421, 84829), (6207, 33087), (11029, 18621)]